For design engineers who need a quick solution for old serial port based projects, the first attractive strategy is to use a patch system. This can be achieved by adding a custom USB-UART converter be...
Dear all,I use STM32 to implement Virtual COM Port. If only one is plugged into the same computer, it is correct, but if two are plugged in, there will be problems. I wonder if anyone has encountered ...
I plan to use AO3407 as a switch and a CH340 to convert USB to serial port, but it is not used most of the time. The device is powered by a battery because I want to turn off the power of CH340 at ord...
Interrupt is a very important concept, and every microcontroller has interrupts. Different microcontrollers handle interrupts in different ways. Like the Cortex-M4 and M3 , the Cortex-M4 is equipped w...
Please help me: I want to use CVI programming to collect data from multiple points using the 485 serial port. The signals of the 13 points are transmitted to the PC through the 485 bus. The signal is ...
[i=s]This post was last edited by dcexpert on 2016-12-17 21:02[/i] First, let me report on the crowdfunding situation. As of this Saturday, 15 netizens have signed up, and the expected goal has been r...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
MCU
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